pariharparmita pariharparmita

10-06-2021
Mathematics

contestada

The
points (-5,1), (1, p) and (4,-2) are
collinear, find the valule of P .

Respuesta :

kwakyefelix113 kwakyefelix113

13-06-2021

Answer:

p=-11

Step-by-step explanation:

if they are colinear,

p-1/1--5 = -2-p/4-1

cross multiple

(p-1)(4-1)=(1--5)(-2-p)

(p-1)×3 =-4(-2-p)

3p-3 = 8+4p

p= -3-8

p=-11

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